MySQL-库基本命令

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| reju               |
+--------------------+
5 rows in set (0.00 sec)

mysql> create database test;
Query OK, 1 row affected (0.00 sec)

mysql> show databases;      
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| reju               |
| test               |
+--------------------+
6 rows in set (0.00 sec)

mysql> drop database test;
Query OK, 0 rows affected (0.00 sec)

mysql> show databases;    
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| phpmyadmin         |
| reju               |
+--------------------+
5 rows in set (0.00 sec)

mysql> use test;
Database changed

mysql> select database();
+------------+
| database() |
+------------+
| test       |
+------------+
1 row in set (0.00 sec)